<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">   
<title>大转盘活动</title>
<link rel="stylesheet" href="../css/bootstrap3/css/bootstrap.min.css">
<link rel="stylesheet" href="../css/style.css">
	<link rel="stylesheet" href="/css/font/css/font-awesome.min.css">
	<link rel="stylesheet" href="/css/reset.css"/>
	<link rel="stylesheet" href="/css/travelContent.css"/>
</head>
<body>
<div class="turbg">
	<div class="search-head">
		<div class="row nav-search">
			<div class="col">
				<a href="javascript:history.go(-1);">
					<span><i class="fa fa-chevron-left"></i></span>
				</a>
			</div>
			<div class="col">
			</div>
		</div>
	</div>
	<img src="../img/reward/turbanner.png" class="img-responsive">
	<img src="../img/reward/1.png" id="shan-img" style="display:none;" />
	<img src="../img/reward/2.png" id="sorry-img" style="display:none;" />

	<div class="banner">
		<div class="turnplate" style="background-image:url(../img/reward/turnplate-bg.png);background-size:100% 100%;">
			<canvas class="item" id="wheelcanvas" width="422px" height="422px"></canvas>
			<img class="pointer" src="../img/reward/turnplate-pointer.png"/>
		</div>
	</div>
	<div class="">
		<img src="../img/reward/turshadow1.png" class="img-responsive" style="position:relative;top:-5px;">
		<img src="../img/reward/turshadow2.png" class="img-responsive" style="position:relative;bottom:-5px;">
	</div>
</div>
<div class="pt10lr10 mt20">
	<div class="pline"></div>
	<div class="prizebox">
		<div class="ptitle"><strong>中奖榜单</strong><span class="pull-right font12">累计<span class="text-red">58</span>人中奖</span></div>
		<div class="prizelistwrap" id="demo" style="position:relative;">
			<div class="prizelist" id="demo1">
				<div class="clearfix pb10">
					<div class="col-xs-4 clearPadding text-red">15690843819</div>
					<div class="col-xs-6 clearPadding">恒大矿泉水一瓶</div>
					<div class="col-xs-2 clearPadding">18:55:30</div>
				</div>
				<div class="clearfix pb10">
					<div class="col-xs-4 clearPadding text-red">15690843819</div>
					<div class="col-xs-6 clearPadding">恒大矿泉水一瓶</div>
					<div class="col-xs-2 clearPadding">18:55:30</div>
				</div>
				<div class="clearfix pb10">
					<div class="col-xs-4 clearPadding text-red">15690843819</div>
					<div class="col-xs-6 clearPadding">恒大矿泉水一瓶</div>
					<div class="col-xs-2 clearPadding">18:55:30</div>
				</div>
			</div>
			<div class="prizelist" id="demo2"></div>
		</div>
	</div>
</div>
<script type="text/javascript" src="../js/jquery/jquery.min.js"></script>
<script type="text/javascript" src="../js/awardRotate.js"></script>
<script type="text/javascript">
var speed=40;
var demo=document.getElementById("demo"); 
var demo2=document.getElementById("demo2"); 
var demo1=document.getElementById("demo1"); 
demo2.innerHTML=demo1.innerHTML;
function Marquee(){ 
	if(demo2.offsetTop-demo.scrollTop<=0) 
		demo.scrollTop-=demo1.offsetHeight;
	else{ 
		demo.scrollTop++;
	}
}
console.log(demo.scrollTop); 
MyMar=setInterval(Marquee,speed)  
var turnplate={
		restaraunts:[],				//大转盘奖品名称
		colors:[],					//大转盘奖品区块对应背景颜色
		outsideRadius:192,			//大转盘外圆的半径
		textRadius:155,				//大转盘奖品位置距离圆心的距离
		insideRadius:68,			//大转盘内圆的半径
		startAngle:0,				//开始角度		
		bRotate:false				//false:停止;ture:旋转
};

$(document).ready(function(){
	//动态添加大转盘的奖品与奖品区域背景颜色
	turnplate.restaraunts = ["50 积分", "10 积分", "200 积分", "50 积分", "100 积分", "20 积分", "200 积分 ", "30 积分", "100 积分", "200 积分"];
	turnplate.colors = ["#FFF4D6", "#FFFFFF", "#FFF4D6", "#FFFFFF","#FFF4D6", "#FFFFFF", "#FFF4D6", "#FFFFFF","#FFF4D6", "#FFFFFF"];

	
	var rotateTimeOut = function (){
		$('#wheelcanvas').rotate({
			angle:0,
			animateTo:2160,
			duration:8000,
			callback:function (){
				alert('网络超时，请检查您的网络设置！');
			}
		});
	};

	//旋转转盘 item:奖品位置; txt：提示语;
	var rotateFn = function (item, txt){

        //评论需要登录,通过user来判断是否已经登录
        var user = JSON.parse(sessionStorage.getItem("user"));


		var angles = item * (360 / turnplate.restaraunts.length) - (360 / (turnplate.restaraunts.length*2));
		if(angles<270){
			angles = 270 - angles; 
		}else{
			angles = 360 - angles + 270;
		}
		$('#wheelcanvas').stopRotate();
		$('#wheelcanvas').rotate({
			angle:0,
			animateTo:angles+1800,
			duration:8000,
			callback:function (){
				$.ajax({
					type:"put",
                    url:"/days/"+user.id,
                    data:{"point":txt.split(" ")[0]-30,"state":null},
                    success:function (data) {
                        if(data.succeed){
                            alert("恭喜获取"+txt);
                        }

                    }
				})
				turnplate.bRotate = !turnplate.bRotate;
			}
		});
	};

	$('.pointer').click(function (){
		if(turnplate.bRotate)return;
		turnplate.bRotate = !turnplate.bRotate;
		//获取随机数(奖品个数范围内)
		var item = rnd(1,turnplate.restaraunts.length);
		//奖品数量等于10,指针落在对应奖品区域的中心角度[252, 216, 180, 144, 108, 72, 36, 360, 324, 288]
		rotateFn(item, turnplate.restaraunts[item-1]);
		/* switch (item) {
			case 1:
				rotateFn(252, turnplate.restaraunts[0]);
				break;
			case 2:
				rotateFn(216, turnplate.restaraunts[1]);
				break;
			case 3:
				rotateFn(180, turnplate.restaraunts[2]);
				break;
			case 4:
				rotateFn(144, turnplate.restaraunts[3]);
				break;
			case 5:
				rotateFn(108, turnplate.restaraunts[4]);
				break;
			case 6:
				rotateFn(72, turnplate.restaraunts[5]);
				break;
			case 7:
				rotateFn(36, turnplate.restaraunts[6]);
				break;
			case 8:
				rotateFn(360, turnplate.restaraunts[7]);
				break;
			case 9:
				rotateFn(324, turnplate.restaraunts[8]);
				break;
			case 10:
				rotateFn(288, turnplate.restaraunts[9]);
				break;
		} */
		console.log(item);
	});
});

function rnd(n, m){
	var random = Math.floor(Math.random()*(m-n+1)+n);
	return random;
	
}
//页面所有元素加载完毕后执行drawRouletteWheel()方法对转盘进行渲染
window.onload=function(){
	drawRouletteWheel();
};

function drawRouletteWheel() {    
  var canvas = document.getElementById("wheelcanvas");    
  if (canvas.getContext) {
	  //根据奖品个数计算圆周角度
	  var arc = Math.PI / (turnplate.restaraunts.length/2);
	  var ctx = canvas.getContext("2d");
	  //在给定矩形内清空一个矩形
	  ctx.clearRect(0,0,422,422);
	  //strokeStyle 属性设置或返回用于笔触的颜色、渐变或模式  
	  ctx.strokeStyle = "#FFBE04";
	  //font 属性设置或返回画布上文本内容的当前字体属性
	  ctx.font = '16px Microsoft YaHei';      
	  for(var i = 0; i < turnplate.restaraunts.length; i++) {       
		  var angle = turnplate.startAngle + i * arc;
		  ctx.fillStyle = turnplate.colors[i];
		  ctx.beginPath();
		  //arc(x,y,r,起始角,结束角,绘制方向) 方法创建弧/曲线（用于创建圆或部分圆）    
		  ctx.arc(211, 211, turnplate.outsideRadius, angle, angle + arc, false);    
		  ctx.arc(211, 211, turnplate.insideRadius, angle + arc, angle, true);
		  ctx.stroke();  
		  ctx.fill();
		  //锁画布(为了保存之前的画布状态)
		  ctx.save();   
		  
		  //----绘制奖品开始----
		  ctx.fillStyle = "#E5302F";
		  var text = turnplate.restaraunts[i];
		  var line_height = 17;
		  //translate方法重新映射画布上的 (0,0) 位置
		  ctx.translate(211 + Math.cos(angle + arc / 2) * turnplate.textRadius, 211 + Math.sin(angle + arc / 2) * turnplate.textRadius);
		  
		  //rotate方法旋转当前的绘图
		  ctx.rotate(angle + arc / 2 + Math.PI / 2);
		  
		  /** 下面代码根据奖品类型、奖品名称长度渲染不同效果，如字体、颜色、图片效果。(具体根据实际情况改变) **/
		  if(text.indexOf("M")>0){//流量包
			  var texts = text.split("M");
			  for(var j = 0; j<texts.length; j++){
				  ctx.font = j == 0?'bold 20px Microsoft YaHei':'16px Microsoft YaHei';
				  if(j == 0){
					  ctx.fillText(texts[j]+"M", -ctx.measureText(texts[j]+"M").width / 2, j * line_height);
				  }else{
					  ctx.fillText(texts[j], -ctx.measureText(texts[j]).width / 2, j * line_height);
				  }
			  }
		  }else if(text.indexOf("M") == -1 && text.length>6){//奖品名称长度超过一定范围 
			  text = text.substring(0,6)+"||"+text.substring(6);
			  var texts = text.split("||");
			  for(var j = 0; j<texts.length; j++){
				  ctx.fillText(texts[j], -ctx.measureText(texts[j]).width / 2, j * line_height);
			  }
		  }else{
			  //在画布上绘制填色的文本。文本的默认颜色是黑色
			  //measureText()方法返回包含一个对象，该对象包含以像素计的指定字体宽度
			  ctx.fillText(text, -ctx.measureText(text).width / 2, 0);
		  }
		  
		  //添加对应图标
		  if(text.indexOf("积分")>0){
			  var img= document.getElementById("shan-img");
			  img.onload=function(){  
				  ctx.drawImage(img,-15,10);      
			  }; 
			  ctx.drawImage(img,-15,10);  
		  }else if(text.indexOf("谢谢参与")>=0){
			  var img= document.getElementById("sorry-img");
			  img.onload=function(){  
				  ctx.drawImage(img,-15,10);      
			  };  
			  ctx.drawImage(img,-15,10);  
		  }
		  //把当前画布返回（调整）到上一个save()状态之前 
		  ctx.restore();
		  //----绘制奖品结束----
	  }     
  } 
}
</script>
</body>
</html>